Perhaps you should try some spelling variations:
rand » brand, band, rank
grand » gbrand, gband, grank, grant, brand
hand » band
sand » stand, band
gband » band
grad » grade, grid, graw
ghada » ghaida, ghana, ohada
rada » radar, randa, raja
chada » chanda, chad, ohada
grants » migrants

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((rand or hand) or (hard or had)) or (((sand OR san) or grand) or gband)) or land) or ((((gad or grad) or (ghada or rada)) or (chada or chata)) or grants)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR hand) OR (hard OR had)) OR (((sand OR san) OR grand) OR gband)) OR land) OR ((((gad OR grad) OR (ghada OR rada)) OR (chada OR chata)) OR grants)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or hand) or (hard or had)) or (((sand OR san) or grand) or gband)) or land) or ((((gad or grad) or (ghada or rada)) or (chada or chata)) or grants)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or hand) or (hard or had)) or (((sand OR san) or grand) or gband)) or land) or ((((gad or grad) or (ghada or rada)) or (chada or chata)) or grants)) counterinsurgency study ;*.